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A005

A005 - Compressor shutdown: Discharge temperature high

Rheem · Air Conditioning

What does A005 mean?

The compressor has shut down because its discharge temperature is too high. The unit is using electric elements as a backup heat source. This is often caused by low airflow.

Common Causes

  • Low airflow over the compressor
  • Dirty filter screen
  • Compressor issue

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the fan is operational. Check fan continuity.

  2. 2

    Clean the filter screen.

  3. 3

    Inspect the compressor for any obvious signs of refrigerant leak.

Browse all codes in this manual (48)
Verified technical data. Last updated: April 2026

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Source: Rheem Air Conditioning
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